Keck Week Video #13: Between the Galaxies: The Intergalactic Medium – Dr. Xavier Prochaska

Xavier Prochaska, from UC Santa Cruz, explains how his team employs the "science of silhouette" to discover and characterize the intergalactic medium and the large-scale structure of the cosmos.

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Observers from NASA will use MOSFIRE on Keck 1, while on Keck 2, KECK observers will use NIRC2-LGS. Sun set 06:52:00pm rise 05:50:00am
On Keck 1, we have UCSC observers using MOSFIRE. On Keck 2, we have UCSB/UCLA observers using NIRC2-LGS. Sun set 06:51:00pm rise 05:51:00am
UCSC observers will use MOSFIRE on Keck 1, and UCSB/UCLA observers will use NIRC2-LGS on Keck 2 tonight. Sun set 06:51:00pm rise 05:51:00am
BOOM! First Potentially Habitable Earth-Size Planet Confirmed by Keck and Gemini. bit.ly/1pdXHZ9 pic.twitter.com/Yb1oA2MetB